An hour before Mitt Romney took the stage at the Republican National Convention in Tampa, Fla., a few hundred protesters took to the street in Washington for a lively demonstration opposing the Republican presidential ticket.

Led by a New Orleans-style band, the protesters marched down Washington’s 14th Street not far from the White House chanting: “It’s our D.C. — No Romney!”

The demonstrators, accompanied by several police cruisers, clogged traffic near the major intersection at U Street….

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